In Colombia's historic plebiscite, voters narrowly rejected the peace pact with the FARC rebels—a major surprise, as all polls had predicted a landslide victory.
Colombia's long civil war came to an official end as President Juan Manuel Santos met with FARC leader "Timochenko" in the Caribbean port of Cartagena to sign a formal peace pact.
Five campesino leaders were assassinated by presumed paramilitary hitmen on the same day that the Colombian government's official ceasefire with the FARC took effect.
Indigenous protesters blocked the rail line carrying coal from the massive Cerrejón mine in Colombia's La Guajira region, as pressure again mounts on peasant demands.
Under the plan for demobilization of Colombia's FARC guerillas, special zones are to be established for fighters to "concentrate" and then be integrated into civilian life.
Colombia’s constitutional court overturned a 2012 government decree that allowed mining in nine areas of the country, together making up 20% of the national territory.
Colombia's former president and now hardline right-wing opposition leader Álvaro Uribe called for "civil resistance" against the peace dialogue with the FARC guerillas.
More than 3,000 members of indigenous and Afro-descendant communities have been displaced as Colombia's Chocó department is convulsed by conflict with the ELN guerillas.
Havana peace talks between Colombia's government and the FARC are stalled as the government refuses to acknowledge the existence of far-right paramilitaries.
Rights groups see an urgent threat that criminal gangs and paramilitary groups will fill the power vacuum in remote areas of Colombia as the FARC is demobilized.
Indigenous and Black communities in Colombia's Chocó department filed a lawsuit, claiming 37 of their children died after drinking water contaminated by nearby mining operations.
President Juan Manuel Santos meets at the White House with Barack Obama to mark 15 years since the initiation of the Plan Colombia—and discuss a "post-conflict" aid package.